From Pixiv creator DC Ultra, whose works follow the story of university student Anna Blackthorn, who has taken on the burden of being her planet's hero, Ultra.

Ariel and Clara decide to blow off some steam by enacting a sting operation and beating up perverts on the train, then blow off some steam with each other. While protecting the school, a Bad End is explored in which Dawn is overpowered and taken advantage of by a pervert in the bathroom. Gallery contains Night Call and an IF Bad End: Substitute (which starts on page 93).

Pixiv - https://www.pixiv.net/en/users/13098329

Vol 1: /g/2808388/797d828c62/
Vol 2: /g/2811481/5f0133ec90/
Vol 3: /g/2813836/4619fdd99c/
Vol 4: /g/2816633/009864d77c/
Vol 5: /g/2819842/169ba1a35f/
Vol 6: /g/2821579/ae17eb1a0b/
Vol 7: /g/2823365/f9493aa82f/
Vol 8: /g/2826339/7713f45593/
Vol 9: /g/2828358/9332a6ca62/
Vol 10: /g/2830505/a875809582/
Vol 11: /g/2833623/0d337bf702/
Vol 12: /g/2842022/485625f82a/
Vol 13: /g/2844131/3d1e4dd5d0/
Vol 14: /g/2869246/6c78f96f35/
Vol 15: /g/2872841/5fbce735d5/
Vol 16: /g/2875264/47578322b9/
Vol 17: /g/2892291/5f7a879b53/
Vol 18: /g/2894255/b73cf91c21/
Vol 19: /g/3083689/16336f3170/
Vol 20: Here